Re: [080/119] sched: Fix boot crash by zalloc()ing most of the cpu masks

Rusty Russell
2009-12-08T01:39:53Z

On Mon, 7 Dec 2009 10:30:56 am Greg KH wrote:
> 2.6.31-stable review patch. If anyone has any objections, please let us know.
>
> ------------------
> From: Rusty Russell <rusty@rustcorp.com.au>
>
> commit 49557e620339cb134127b5bfbcfecc06b77d0232 upstream.
>
> I got a boot crash when forcing cpumasks offstack on 32 bit,
> because find_new_ilb() returned 3 on my UP system (nohz.cpu_mask
> wasn't zeroed).

Please also include "bdddd2963c0264c56f18043f6fa829d3c1d3d1c0"
(sched: Fix isolcpus boot option) from Linus' tree which fixes
a regression this introduces.

Thanks,
Rusty.